diff gcc/testsuite/ada/acats/tests/c9/c97114a.ada @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/ada/acats/tests/c9/c97114a.ada	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,196 @@
+-- C97114A.ADA
+
+--                             Grant of Unlimited Rights
+--
+--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
+--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
+--     unlimited rights in the software and documentation contained herein.
+--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
+--     this public release, the Government intends to confer upon all 
+--     recipients unlimited rights  equal to those held by the Government.  
+--     These rights include rights to use, duplicate, release or disclose the 
+--     released technical data and computer software in whole or in part, in 
+--     any manner and for any purpose whatsoever, and to have or permit others 
+--     to do so.
+--
+--                                    DISCLAIMER
+--
+--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
+--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
+--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
+--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
+--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
+--     PARTICULAR PURPOSE OF SAID MATERIAL.
+--*
+-- CHECK WHETHER A DELAY EXPRESSION FOLLOWING AN OPEN GUARD IS EVALUATED
+-- DIRECTLY AFTER THE GUARD OR ONLY AFTER ALL GUARDS HAVE BEEN
+-- EVALUATED, OR IN SOME MIXED ORDER SUCH THAT DELAY EXPRESSIONS ARE
+-- EVALUATED AFTER THEIR GUARDS ARE DETERMINED TO BE OPEN.
+
+-- RM 5/10/82
+-- SPS 11/21/82
+-- JBG 10/24/83
+-- PWN 09/11/94  REMOVED PRAGMA PRIORITY FOR ADA 9X.
+
+with Impdef;
+WITH REPORT; USE REPORT;
+WITH SYSTEM; USE SYSTEM;
+PROCEDURE C97114A IS
+
+
+     -- THE TASK WILL HAVE LAST PRIORITY ( PRIORITY'FIRST )
+
+     EVAL_ORDER  :  STRING (1..6)       := ( 1..6 => '*' );
+     EVAL_ORD    :  STRING (1..6)       := ( 1..6 => '*' );
+     INDEX       :  INTEGER             := 0; 
+     DUMMY       :  INTEGER             := 0; 
+
+
+     FUNCTION F1 (X:INTEGER) RETURN INTEGER IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'F';    -- 123: FGH
+          EVAL_ORD   (INDEX) := 'G';    -- 123: GGG ( 'G' FOR 'GUARD' )
+          RETURN ( IDENT_INT(7) ); 
+     END F1; 
+
+
+     FUNCTION F2 (X:INTEGER) RETURN INTEGER IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'G'; 
+          EVAL_ORD   (INDEX) := 'G'; 
+          RETURN ( IDENT_INT(7) ); 
+     END F2; 
+
+
+     FUNCTION F3 (X:INTEGER) RETURN INTEGER IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'H'; 
+          EVAL_ORD   (INDEX) := 'G'; 
+          RETURN ( IDENT_INT(7) ); 
+     END F3; 
+
+
+     FUNCTION  D1( X:INTEGER )  RETURN DURATION IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'A';    -- 123: ABC
+          EVAL_ORD   (INDEX) := 'D';    -- 123: DDD ( 'D' FOR 'DELAY' )
+          RETURN ( 1.0 );
+     END D1; 
+
+
+     FUNCTION  D2( X:INTEGER )  RETURN DURATION IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'B'; 
+          EVAL_ORD   (INDEX) := 'D'; 
+          RETURN ( 2.0 );
+     END D2; 
+
+
+     FUNCTION  D3( X:INTEGER )  RETURN DURATION IS
+     BEGIN
+          INDEX := INDEX + 1; 
+          EVAL_ORDER (INDEX) := 'C'; 
+          EVAL_ORD   (INDEX) := 'D'; 
+          RETURN ( 3.0 );
+     END D3; 
+
+     FUNCTION POS_OF (FUNC : CHARACTER) RETURN INTEGER  IS
+     BEGIN
+          FOR I IN EVAL_ORDER'RANGE LOOP
+               IF EVAL_ORDER(I) = FUNC THEN
+                    RETURN I;
+               END IF;
+          END LOOP;
+          FAILED ("DID NOT FIND LETTER " & FUNC);
+          RETURN 0;
+     END POS_OF;
+
+BEGIN
+
+
+     TEST ("C97114A", "CHECK THAT THE DELAY EXPRESSIONS ARE" &
+                      " EVALUATED AFTER THE GUARDS BUT"      &
+                      " BEFORE THE RENDEZVOUS IS ATTEMPTED"  );
+
+
+     DECLARE
+ 
+
+          TASK T IS
+
+
+               ENTRY E1; 
+
+          END T; 
+
+
+          TASK BODY T IS
+          BEGIN
+
+
+               WHILE  E1'COUNT = 0  -- IF  E1  NOT YET CALLED, THEN GIVE
+               LOOP                 --     THE MAIN TASK AN OPPORTUNITY
+                    DELAY  10.01 * Impdef.One_Second;   --     TO ISSUE THE CALL.
+               END LOOP;
+
+
+               SELECT               
+
+                         ACCEPT  E1; 
+
+               OR
+
+                    WHEN  6 + F1(7) = 13  =>
+                         DELAY  D1( DUMMY ) * Impdef.One_Second;
+
+               OR
+
+                    WHEN  6 + F2(7) = 13  =>
+                         DELAY  D2( DUMMY ) * Impdef.One_Second;
+
+               OR
+
+                    WHEN  6 + F3(7) = 13  =>
+                         DELAY  D3( DUMMY ) * Impdef.One_Second;
+
+               END SELECT;
+
+
+          END T; 
+
+
+     BEGIN
+
+          T.E1; 
+
+     END; -- END OF BLOCK CONTAINING THE ENTRY CALLS
+
+
+     COMMENT ("EVALUATIONS WERE DONE IN THE ORDER " & EVAL_ORD);
+     COMMENT ("FUNCTIONS WERE CALLED IN THE ORDER " & EVAL_ORDER);
+
+     IF EVAL_ORD = "GGGDDD" THEN
+          COMMENT ("ALL GUARDS EVALUATED FIRST");
+     ELSIF EVAL_ORD = "GDGDGD" THEN
+          COMMENT ("DELAY EXPRESSION EVALUATED AFTER EACH GUARD");
+     END IF;
+
+-- CHECK THAT GUARDS ARE ALWAYS EVALUATED BEFORE DELAY EXPRESSIONS
+
+     IF   POS_OF ('F') > POS_OF ('A') OR
+          POS_OF ('G') > POS_OF ('B') OR
+          POS_OF ('H') > POS_OF ('C') THEN
+               FAILED ("A DELAY EXPRESSION WAS EVALUATED BEFORE ITS " &
+                       "GUARD");
+     END IF;
+
+
+     RESULT;
+
+
+END  C97114A;